30203220343 has 4 divisors (see below), whose sum is σ = 30567114648. Its totient is φ = 29839326040.

The previous prime is 30203220337. The next prime is 30203220379. The reversal of 30203220343 is 34302230203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30203220343 - 2²¹ = 30201123191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30203227343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181947028 + ... + 181947193.

It is an arithmetic number, because the mean of its divisors is an integer number (7641778662).

Almost surely, 2^30203220343 is an apocalyptic number.

30203220343 is a deficient number, since it is larger than the sum of its proper divisors (363894305).

30203220343 is an equidigital number, since it uses as much as digits as its factorization.

30203220343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363894304.

The product of its (nonzero) digits is 2592, while the sum is 22.

Adding to 30203220343 its reverse (34302230203), we get a palindrome (64505450546).

The spelling of 30203220343 in words is "thirty billion, two hundred three million, two hundred twenty thousand, three hundred forty-three".